﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;//Please add references
namespace QunYing.DAL
{
	/// <summary>
	/// 数据访问类:GoodsImg
	/// </summary>
	public partial class GoodsImg
	{
		public GoodsImg()
		{}
		#region  Method

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("图片ID", "GoodsImg"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int 图片ID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from GoodsImg");
			strSql.Append(" where 图片ID=@图片ID");
			SqlParameter[] parameters = {
					new SqlParameter("@图片ID", SqlDbType.Int,4)
};
			parameters[0].Value = 图片ID;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(QunYing.Model.GoodsImg model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into GoodsImg(");
			strSql.Append("商品ID,图片路径,默认图片)");
			strSql.Append(" values (");
			strSql.Append("@商品ID,@图片路径,@默认图片)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@商品ID", SqlDbType.Int,4),
					new SqlParameter("@图片路径", SqlDbType.NVarChar,100),
					new SqlParameter("@默认图片", SqlDbType.Bit,1)};
			parameters[0].Value = model.商品ID;
			parameters[1].Value = model.图片路径;
			parameters[2].Value = model.默认图片;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(QunYing.Model.GoodsImg model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update GoodsImg set ");
			strSql.Append("商品ID=@商品ID,");
			strSql.Append("图片路径=@图片路径,");
			strSql.Append("默认图片=@默认图片");
			strSql.Append(" where 图片ID=@图片ID");
			SqlParameter[] parameters = {
					new SqlParameter("@商品ID", SqlDbType.Int,4),
					new SqlParameter("@图片路径", SqlDbType.NVarChar,100),
					new SqlParameter("@默认图片", SqlDbType.Bit,1),
					new SqlParameter("@图片ID", SqlDbType.Int,4)};
			parameters[0].Value = model.商品ID;
			parameters[1].Value = model.图片路径;
			parameters[2].Value = model.默认图片;
			parameters[3].Value = model.图片ID;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int 图片ID)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from GoodsImg ");
			strSql.Append(" where 图片ID=@图片ID");
			SqlParameter[] parameters = {
					new SqlParameter("@图片ID", SqlDbType.Int,4)
};
			parameters[0].Value = 图片ID;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string 图片IDlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from GoodsImg ");
			strSql.Append(" where 图片ID in ("+图片IDlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public QunYing.Model.GoodsImg GetModel(int 图片ID)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 图片ID,商品ID,图片路径,默认图片 from GoodsImg ");
			strSql.Append(" where 图片ID=@图片ID");
			SqlParameter[] parameters = {
					new SqlParameter("@图片ID", SqlDbType.Int,4)
};
			parameters[0].Value = 图片ID;

			QunYing.Model.GoodsImg model=new QunYing.Model.GoodsImg();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				if(ds.Tables[0].Rows[0]["图片ID"]!=null && ds.Tables[0].Rows[0]["图片ID"].ToString()!="")
				{
					model.图片ID=int.Parse(ds.Tables[0].Rows[0]["图片ID"].ToString());
				}
				if(ds.Tables[0].Rows[0]["商品ID"]!=null && ds.Tables[0].Rows[0]["商品ID"].ToString()!="")
				{
					model.商品ID=int.Parse(ds.Tables[0].Rows[0]["商品ID"].ToString());
				}
				if(ds.Tables[0].Rows[0]["图片路径"]!=null && ds.Tables[0].Rows[0]["图片路径"].ToString()!="")
				{
					model.图片路径=ds.Tables[0].Rows[0]["图片路径"].ToString();
				}
				if(ds.Tables[0].Rows[0]["默认图片"]!=null && ds.Tables[0].Rows[0]["默认图片"].ToString()!="")
				{
					if((ds.Tables[0].Rows[0]["默认图片"].ToString()=="1")||(ds.Tables[0].Rows[0]["默认图片"].ToString().ToLower()=="true"))
					{
						model.默认图片=true;
					}
					else
					{
						model.默认图片=false;
					}
				}
				return model;
			}
			else
			{
				return null;
			}
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select 图片ID,商品ID,图片路径,默认图片 ");
			strSql.Append(" FROM GoodsImg ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" 图片ID,商品ID,图片路径,默认图片 ");
			strSql.Append(" FROM GoodsImg ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "GoodsImg";
			parameters[1].Value = "图片ID";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  Method
	}
}

